Domain Name Service, or DNS, can be one of the most be one of the more complicated concepts in server administration. This article will walk through changing an A record from the Linux command line.
This article assumes that you are running BIND on a linux server, that you already have an understanding of what DNS is, the different types of DNS entries, and how DNS works. Please note: The incorrect editing of your zone file can take your site offline. All editing must be done on the authoritative nameservers for the given domain.

(more…)

Related Articles

• Updating an A record in cPanel
• Understanding Load Balancing
• Digging Into Exim Mail Logs With Exigrep
• How To: Lowering Your DNS TTLs
• How To: Update the Right DNS Zone File

Perhaps a particular domain on your cPanel server has stopped receiving e-mail. Or, an address on your domain is able to receive e-mail, except from your supplier. Maybe you can receive e-mail just fine, but are receiving error message bounce-backs from Yahoo. How are you going to get the fine-grained information you need to figure out just what is going on?

The answers you seek can be found in exim’s logs.

(more…)

Related Articles

• Basic e-mail Troubleshooting With exigrep
• Apache Error: “semget: No space left on device”
• How To: Change Monitoring Settings Using Manage
• Updating an A record from Command Line
• Understanding Load Balancing

Domain Name System, or DNS, is a complex system to understand, but cPanel has simplified the administration of DNS by adding it to the WHM interface. One of the most common tasks involved with administrating DNS is updating an A record. A records are one of the most common DNS entries, and cPanel makes updating them easy.
This article assumes that you are running BIND on a linux server, that you already have an understanding of what DNS is, the different types of DNS entries, and how DNS works. Please note: The incorrect editing of your zone file can take your site offline. All editing must be done on the authoritative nameservers for the given domain.

(more…)

Related Articles

• Updating an A record from Command Line
• Change a Domain Name in cPanel/WHM
• Digging Into Exim Mail Logs With Exigrep
• How To: Update the Right DNS Zone File
• cPanel How To: Change a Domain’s MX Record

Load balancing is the distribution of a workload across many nodes. In the webhosting industry, it is typically used for balancing http traffic over multiple servers acting together as a web front-end. For the sake of this article, we will focus on the balancing of HTTP and HTTPS traffic through a Zeus Load Balancer.

(more…)

Related Articles

• Apache Error: Premature End of Script Headers
• Apache Error: “semget: No space left on device”
• Updating an A record from Command Line
• Digging Into Exim Mail Logs With Exigrep
• File Upload Problems

‘Premature end of script headers’ can be an extremely vague error that leads to some headaches. Here are some suggestions that might help you fix the problem.

(more…)

Related Articles

• Apache Error: “semget: No space left on device”
• Understanding Load Balancing
• File Upload Problems
• Digging Into Exim Mail Logs With Exigrep
• Apache MPMs Explained

If Apache fails, and will not successfully start again, check the error log. If you see an error similar to the following, it could indicate that your server has run out of semaphores.

(more…)

Related Articles

• Apache Error: Premature End of Script Headers
• Digging Into Exim Mail Logs With Exigrep
• Understanding Load Balancing
• Updating an A record from Command Line
• Updating an A record in cPanel

This is part 4 in an ongoing series on WordPress. Please see Part 1: WordPress Tutorial 1: Installation Setup and Part 2: WordPress Tutorial 2: Terminology and Part 3: WordPress Tutorial 3: How to Install a New Plugin, Theme, or Widget.

__________

Now that you have WordPress installed, understand the interface, and know how to install new parts, let’s take a look at our recommended plugins.
(more…)

Related Articles

• WordPress Tutorial 3: How to Install a New Plugin, Theme, or Widget
• Apache Error: “semget: No space left on device”
• Digging Into Exim Mail Logs With Exigrep
• Updating an A record in cPanel
• How To: Change Monitoring Settings Using Manage

Many customers tell us how overwhelming setting up their first web site feels. Between DNS, e-mail, document roots, software versions, and all the other details involved in setting up a web site there is a lot to keep track of.

This guide will help you understand the core items you need to know about your domain and server, what they do, and why they are so important.

(more…)

Related Articles

• Change a Domain Name in cPanel/WHM
• How To: Change Monitoring Settings Using Manage
• How to: Create a New Website in 20 Minutes
• Updating an A record from Command Line
• Updating an A record in cPanel

An alternative firewall to APF is the Config Server Firewall, or CSF.

CSF is generally considered a more advanced firewall as there are more configuration options compared to other firewalls, while still being simple enough to install and configure that even novice administrators can use it. This article will give you a simple overview about how to install and configure CSF and its security plugin LFD (Login Failure Daemon).

(more…)

Related Articles

• Digging Into Exim Mail Logs With Exigrep
• Understanding Load Balancing
• Updating an A record from Command Line
• Featured Freeware: MTR
• “The website is down! Now what?” Help Us Help You!

A lot of people think creating a new web site with a brand new domain name takes a lot of work and time. While this can be true in some cases, it is entirely possible to have a completely new site up and handling traffic in 20 minutes, possibly less.

(more…)

Related Articles

• Change a Domain Name in cPanel/WHM
• Updating an A record in cPanel
• Updating an A record from Command Line
• Setting Up Private Nameservers in WHM/cPanel
• How To: Restore a Domain From cPanel Backups